已经证明,婴幼儿肺炎常继发细胞免疫和/或体液免疫功能低下.但是,对免疫功能低下的肺炎患儿的临床特征及临床诊断问题研究尚少.本文为从临床上推测肺炎患儿的免疫功能状态进行了如下观察. It has been shown that infants with pneumonia often have secondary cellular and / or humoral immune dysfunction, but there are few studies on the clinical features and clinical diagnosis of children with immunocompromised pneumonia. The immune function was observed as follows.